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/*********************************************************************
* Software License Agreement (BSD License)
*
* Copyright (c) 2008, Willow Garage, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of the Willow Garage nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*********************************************************************/
//! \author Vijay Pradeep
#include <gtest/gtest.h>
#include <actionlib/destruction_guard.h>
#include <boost/thread.hpp>
#include <boost/bind/bind.hpp>
using namespace actionlib;
class TestRunner : public testing::Test
{
public:
TestRunner()
: done_protecting_(false)
{
}
void protectingThread()
{
DestructionGuard::ScopedProtector protector_1(guard_);
EXPECT_TRUE(protector_1.isProtected());
DestructionGuard::ScopedProtector protector_2(guard_);
EXPECT_TRUE(protector_2.isProtected());
// Let the main thread know that we've successfully created to protectors
{
boost::mutex::scoped_lock lock(mutex_);
done_protecting_ = true;
cond_.notify_all();
}
// Don't destruct the protectors immediately. Sleep for a little bit, and then destruct.
// This will force the main thread to have to wait in it's destruct() call
printf("protecting thread is sleeping\n");
boost::this_thread::sleep(boost::posix_time::microseconds(5000000));
printf("protecting thread is exiting\n");
}
protected:
DestructionGuard guard_;
bool done_protecting_;
boost::mutex mutex_;
boost::condition cond_;
};
TEST_F(TestRunner, threaded_test) {
boost::thread spin_thread(boost::bind(&TestRunner::protectingThread, this));
{
boost::mutex::scoped_lock lock(mutex_);
while (!done_protecting_) {
cond_.timed_wait(lock, boost::posix_time::milliseconds(100));
}
}
printf("About to destruct\n");
guard_.destruct();
printf("Done destructing\n");
// Already 'destructed', so protector should fail
DestructionGuard::ScopedProtector protector(guard_);
EXPECT_FALSE(protector.isProtected());
spin_thread.join();
}
TEST(DestructionGuard, easy_test) {
DestructionGuard guard;
{
DestructionGuard::ScopedProtector protector_1(guard);
EXPECT_TRUE(protector_1.isProtected());
DestructionGuard::ScopedProtector protector_2(guard);
EXPECT_TRUE(protector_2.isProtected());
}
guard.destruct();
{
DestructionGuard::ScopedProtector protector_3(guard);
EXPECT_FALSE(protector_3.isProtected());
}
}
int main(int argc, char ** argv)
{
testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}
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